| 1978 | 1979 | 1980 | | 1981 | 1982 | 1983 | 1984 | 1985 | | 1986 | 1987 | 1988 | 1989 | 1990 | | 1991 | 1992 | 1993 | 1994 | 1995 | | 1996 | 1997 | 1998 | 1999 | 2000 | | 2001 | 2002 | 2003 | 2004 | 2005 | | 2006 | 2007 | 2008 | 2009 | | |
|
| | | | | | | 100.6 | 100.6 | 98.8 | | | | | 101.8 | 101.8 | 100.0 | 109.5 | | | | 106.0 | 106.7 | 100.3 | 105.5 | | | | | | | | | | | 101.3 | 101.4 | 100.1 | 109.4 | | | | 101.8 | 102.0 | 100.1 | 101.9 | | | | 100.5 | 100.6 | 101.6 | 101.8 | | | | 102.2 | 102.1 | 109.7 | 102.3 | | | | 117.6 | 118.6 | 100.9 | 117.6 | | | | | | | | | | | 106.8 | 106.7 | 102.7 | 108.1 | | | | 108.6 | 108.7 | 110.8 | 116.1 | | | | 120.4 | 121.9 | 117.6 | 123.2 | | | | 117.2 | 118.5 | 121.5 | 106.8 | | | | 105.4 | 104.1 | 102.1 | 101.9 | 107.9 | 114.8 | | | | | | | | | 111.9 | 108.5 | 102.5 | 101.7 | 105.8 | 111.7 | 107.3 | 109.9 | 108.3 | 103.6 | 102.4 | 100.9 | 103.3 | 112.2 | 119.0 | 116.9 | 109.1 | 107.0 | 121.8 | 133.2 | 126.6 | 124.9 | 117.9 | 120.1 | 133.4 | 112.9 | 118.7 | 116.2 | 117.3 | 112.6 | 133.2 | 130.6 | 107.3 | 106.7 | 113.9 | | | | | | | | 111.6 | 107.3 | 106.8 | 101.5 | 100.7 | 100.3 | 108.2 | 105.3 | 103.8 | 100.4 | 92.8 | 101.1 | 103.4 | 102.7 | 102.4 | 98.3 | 102.6 | 93.6 | 95.1 | 98.1 | 100.8 | 100.6 | 98.8 | 94.2 | 97.5 | 97.7 | 95.8 | 99.9 | 103.5 | 98.9 | 101.7 | 95.0 | 102.5 | 100.0 | 101.0 | | | | | | | | 103.1 | 98.8 | 100.2 | 102.0 | 99.4 | 100.5 | 100.6 | 98.2 | 98.4 | 102.9 | 92.4 | 96.6 | 97.1 | 100.4 | 100.2 | 98.2 | 98.5 | 102.5 | 101.5 | 104.7 | 102.2 | 101.0 | 99.2 | 114.3 | 106.2 | 103.0 | 114.2 | 104.3 | 101.5 | 99.7 | 101.4 | 102.9 | 101.3 | 111.4 | 100.7 | | | | | | | | 100.9 | 100.2 | 103.7 | 99.1 | 99.1 | 105.5 | 100.4 | 102.4 | 100.8 | 111.2 | 114.4 | 99.7 | 105.0 | 102.8 | 105.1 | 104.4 | 117.4 | 112.3 | 103.3 | 115.8 | 107.8 | 98.5 | 97.8 | 106.2 | 98.3 | 94.4 | 88.6 | 97.1 | | | | | | | | | | | | | | | |